Unit Converter

About Unit Converter

Professional online unit conversion tool supporting 10 categories including length, mass, time, velocity, area, volume, energy, force, pressure, and concentration conversions with accuracy and multi-language support.

Project Overview

This is a comprehensive unit conversion tool that supports conversions of various physical quantities. With a clean and beautiful interface, simple and convenient operation, and multi-language support, it is your good companion for daily learning and work.

Features

  • 🎯 High Precision: Uses double-precision floating-point calculations to ensure conversion accuracy
  • ⚡ Real-time Conversion: Convert as you type, no waiting required
  • 🌍 Multi-language: Supports Chinese, English, Japanese, Korean, German, French
  • 📱 Responsive: Adapts to various device screens
  • 🔄 Offline Available: Can be used offline after first load
  • 🆓 Completely Free: No ads, unlimited use

Why Choose Us

🎯 Professional and Accurate: Based on international standard units with high-precision algorithms, ensuring accuracy and reliability of conversion results.

🚀 Fast and Convenient: Advanced real-time calculation technology provides instant results during input, improving work efficiency.

🌍 Global: Support for six major languages with automatic browser language detection, providing localized experience for global users.

Conversion Categories

We provide 10 major categories of physical quantity conversions, covering various needs in daily life and professional work:

📏Length
⚖️Mass
Time
🚗Velocity
Energy
🧲Force
🔧Pressure
🧪Concentration
📐Area
📦Volume

Use Cases

EngineeringEducationResearchCookingFitnessTravelConstructionInterior Design

Supported Languages

This application supports the following six languages, automatically detects browser language and allows manual switching:

🇨🇳中文🇺🇸English🇯🇵日本語🇰🇷한국어🇩🇪Deutsch🇫🇷Français

Technology Stack

Built with modern frontend technologies to ensure performance, stability and user experience:

Next.js 15React 19TypeScriptTailwind CSSVercel

Accuracy Description

All conversion formulas are based on international standard units to ensure accuracy and reliability of calculation results.

  • IEEE 754 double-precision floating-point standard
  • International System of Units (SI) conversion factors
  • Scientific notation support for extremely large/small values

Contact Us

If you have any suggestions or discover problems, please feel free to contact us through the following methods:


Frequently Asked Questions

We use double-precision floating-point calculations based on international standard units, with precision up to 15-17 significant digits, meeting the needs of most application scenarios.